A brown planthopper resistance and high quality rice variety 'Chinnong'.

Chinnong' is a new japonica rice variety developed from a cross between Iksan450 and YR21258-GH3 by the rice breeding team of Department of Rice and Winter Cereal Crop, NICS, RDA in 2010. This variety is suitable for environment friendly cultivation. Heading date of 'Chinnong' is August 16, later 1 day than that of Nampyeong in West-southern, Honam and Youngnam plain areas. It has culm length of 77 cm, 12 tillers per hill, 129 spikelets per panicle and 86.0% of ripened grains. 'Chinnong' shows moderately resistant reaction to blast disease and resistant reaction to bacterial blight (K1~K3), rice stripe virus and brown planthopper. The milled rice of 'Chinnong' exhibits translucent, clear non-glutinous endosperm and medium short grain. It shows lower protein and amylose contents than those of Nampyeong and similar palatability of cooked rice compared to Nampyeong. The milled rice yield performance of this cultivar is about 6.00 MT/ha. 'Chinnong' would be adaptable to West-southern, Honam and Youngnam plain areas of Korea.